# coding: utf-8
#
# Copyright 2013 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Model for an Oppia editor."""

__author__ = 'Sean Lip'

from exploration import Exploration

from google.appengine.ext import ndb


class AugmentedUser(ndb.Model):
    """Stores information about a particular user."""
    # TODO(sll): Should this class be keyed by user.email()?

    # The corresponding user.
    user = ndb.UserProperty(required=True)
    # The list of explorations that this user has editing rights for.
    editable_explorations = ndb.KeyProperty(kind=Exploration, repeated=True)

    @classmethod
    def get(cls, user):
        """Gets (or creates) the corresponding AugmentedUser."""
        augmented_user = cls.query().filter(
            cls.user == user).get()
        if not augmented_user:
            augmented_user = cls(user=user)
            augmented_user.put()
        return augmented_user
